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From Prabhu Joseph <prabhujose.ga...@gmail.com>
Subject Hive UDF accessing https request
Date Fri, 08 Jan 2016 08:51:37 GMT
Hi Experts,

   I am trying to write a Hive UDF which access https request and based on
the response return the result. From Plain Java, the https response is
coming but the https accessed from UDF is null.

Can anyone review the below and share the correct steps to do this.


create temporary function profoundIP as 'com.network.logs.udf.ProfoundIp';

select ip,profoundIP(ip) as info from r_distinct_ips_temp;
 //returns NULL


//Below UDF program

package com.network.logs.udf;

import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.net.URL;

import javax.net.ssl.HttpsURLConnection;

import org.apache.hadoop.hive.ql.exec.UDF;
import org.apache.hadoop.io.Text;

public class ProfoundNew extends UDF {

    private Text evaluate(Text input) {

        String url = "https://api2.profound.net/ip/" + input.toString()
+"?view=enterprise";

        URL obj;
        try {
        obj = new URL(url);

        HttpsURLConnection con = (HttpsURLConnection) obj.openConnection();

        con.setRequestMethod("GET");
        con.setRequestProperty("Authorization","ProfoundAuth
apikey=cisco-065ccfec619011e38f");

        int responseCode = con.getResponseCode();

        BufferedReader in = new BufferedReader(new
InputStreamReader(con.getInputStream()));
        String inputLine;
        StringBuffer response = new StringBuffer();

        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine);
        }
        in.close();
        return new Text(response.toString());
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;

    }
}



Thanks,
Prabhu Joseph

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